Modulus

IM Designation Brand Name Approximate Modulus
Orvis T3 72M
GLX; Sage Graphite IV 65M
IMX GL4; Sage Graphite III 55M
IM8 Reddington Premimum; GL3; Sage Graphite 45M-47M
IM7 GL2; Orvis HLS 42M
IM6 38M
Standard 33M